- The Battle of the Great Bear takes place, resulting in a costly UNSC victory.
- The UEG colony of Eridanus II is glassed by the Covenant.
- Rani Sobeck is born.
- Jake Courage's photo exhibit Killing Time wins the John Pilger Prize.
- Thrust assemblies are replaced on the UNSC Spirit of Fire from the scuttled UNSC destroyer Calcutta.
- Spartan-II Blue Team shuts down United Rebel Front Station Jefferson in the Eridanus system.
- Blue Team destroys, captures or otherwise eliminates the United Rebel Front Destroyer Origami sometime prior to November.[note 1]
- Blue Team eliminates a United Rebel Front high-explosive manufacturing facility at an unspecified location sometime around November.
- Blue Team disrupts United Rebel Front activity in Micronesia and breaks up a saboteur ring on Reach between November of this year and May 2531.
- ↑ Incidents were listed off in chronological order, and this fell between two incidents that year and six months prior to May 1st, 2531.
- ↑ Game Informer February 2010 Issue
- ↑ Halo 4: The Essential Visual Guide – page 23
- ↑ Halo: The Fall of Reach (2010), Bonus Content
- ↑ Halo: The Fall of Reach
- ↑ Axon Brain ninjas.ogg
- ↑ http://www.xbox.com/en-GB/games/h/halo3/jakecourage.htm
- ↑ Halo Wars: Genesis
- ↑ 8.0 8.1 8.2 8.3 Halo: Ghosts of Onyx - pages 36-37